Nuclear loads

Seismic ammo is making super heavy +p+ 9mm and 45 acp.

185 grain 9mm

325 grain 45 acp

I hope they make a 10mm load. They could give us a 10mm round somewhere in the 280-320 grain range, still traveling well over 1000 fps

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Here is one of seismic ammos prototype 2.5 oz. Shotgun slugs.

That's 1093 grains. God I hope they make a 500 sw load eventually.

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Super vel has a crazy new pocket rocket .38 special snubnose load

They are approaching 400 ft lbs of energy from a 1-7/8" barrel barrel j frame. Their load pushes a light little 90 grain jhp at over 1300 fps from a snubby. The round expands to about .70 cal and penetrates about 13 inches

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Lightfield makes some crazy shotgun ammo. Here's my favorite load.

"Here it is, the ONLY 3 1/2 shotgun slug on the market! The Lighfield Commander IDS Plus was designed as the largest high velocity, extremely stable, extended range Sabot Slug for use in modern rifled or smooth bore barrel shotguns for very large game. The IDS 3 1/2 Commander incorporates a 1 3/8 oz (600 grain) 73 caliber slug producing a whopping 4759 ft/lbs at the barrel and an insane 1327 ft/lbs @ 175 yards. TKO= 115! (Send in the elephants!) The patented IDS design incorporates an impact-discarding Sabot that aids stability in the wind and produces a controlled expansion slug for deeper penetration."

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>Loads that are actually nuclear

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whta kind of powder do they use??

Why is it always pistol or revolver/lever action ammo?

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Because people are willing to pay for top tier CCW ammo but not so much for rifle ammo when you can easily just get a bigger gun if you want more deader.

>ideally for 20" or longer barrels
>935 fps
nope

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They are more tolerant and less finicky with nuclear power. Also, Old ass cartridges like 45Colt and 45-70 were loaded according to the metallurgy of the day.
Modern arms breathe a shitload of new life into them.
Take a look at what happens when the 45ACP is tinkered with to modern limits; you get the 460Rowland

If you're actually having to use that stuff, leading is the least of your concerns.

9x25 Dillon
65gr XDs
2553fps

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6 of those manged the fuck up the timing on my Rhino. Would not recommend in alloy (or any) framed guns.

>2,020fps
you know what that means.

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>subsonic
>112 grains

I don't know about chamber pressure, but that round is not very energetic when compared with other rifle cartridges.

>pistols
>more tolerant of high chamber pressure

crying in partially supported chamber.

OP here, I dont just care about maximum FPE, any load that takes a caliber spec to the max can be considered atomic for the purposes of this thread.

muzzle velocity of almost 5900 fps
>shoot intruder
>it sends him back in time

There's also an improved version that shoots at over 6100 fps

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>10 rounds to rebarrel

lol the barrel life would be like 100 shots

that bullet would incinerate before it left the barrel

I'm pretty sure they have their own stuff they created. Look them up on youtube

The bore would have to be made of tungsten, and the projectiles of cast iron or something

wheres the pic of that necked down .17 on a navy 5 inch piece of brass.

That's like bog standard 9mm lmao

ah yes, the round that only one person owns

Would love to put em in my 1894c desu

ITT: fingerless fudds

Leave the 9x25 Glock conversion autist alone. He based

How fast do you think you could get that liberty civil defense projectile to go out of a 5.5 barrel in a 1911 with 460 Rowland pressures?

This says for law enforcement use, but not law enforcement use only ',:^)

My fingers hurt just looking at it

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There’s this Texan air rifle maker that sells super heavy lead projectiles. 350 grain boat tails 45 cal and 185 grain 9mm.
I bet you could load those in 9 and 45.

Nice GET

I wonder how many of the commercial manufacturers of this stuff (like Underwood and BB) are actually fudging the SAAMI chamber pressure regulations?

>yeah look at this awesome ammo!
>so much power wow!

>fails to mention it runs at proof pressures

nielsenspecialtyammo.com/collections/45-cal/products/350-grain-boat-tail-hollow-point-air-rifle-pellets-45-caliber-works-in-both-45-texans-swaged

Because revolvers are man guns unlike your fucking Glock.

Can I shoot this in my Taurus Raging Bull 444B?

Do you like the number of fingers you currently have?

I would be nervous firing low pressure ammo in a taurus.

They're not exactly fudging it, they're clearly overpressure. There's a reason BB clearly marks Ruger only loads.

This... Doesn't really make a whole lot of sense, outside of competition, right? Because it's heavy bullet. Moving slowly. Their website even says it's subsonic.

If you’re shooting sub sonic ammo suppressed for lowest dB why not go as heavy as you can?

sportsmansguide.com/product/index/magsafe-personal-defense-762x25-tok-defender-52-grain-10-rounds?a=1596246

Seems like MagSafe made some hot stuff for 7.62x25 too. Don’t think my TT33 would like it much.

Airgun bullets are typically square- or hollow-based, not boat-tailed, so I doubt you can load them in normal cases.
Even 158gr 9mm has to be boat-tailed because the case walls get thicker that far down the case. If you shove a square-based bullet that far in, you bulge out the case and it won't chamber.
The way Seismic is getting around this is with the Shellshock two-piece cases, which have uniform wall thickness. Of course you can buy these cases, but apparently you also need to buy special loading dies, won't work with ones made for brass. Probably because of different springback in brass vs. stainless.

It's not for me, but it's not bad. It's a very heavy bullet moving only a little slower than "normal" 147gr subsonics.
It basically makes suppressed .45 ACP obsolete. (Well, it would if they weren't also working on the .45 ACP version.)

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Old news, 9x25 is so 2018.

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If you can link me brass, dies, and a barrel that goes in a stock glock then yes you may have beat 9x25 Dillon

>60gr bullets at 2700fps
This is ridiculous. What the fuck. This is like 5.56 speeds out of a 6 inch barrel.

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It's pretty good for .22LR, but I'd rather have a few more grains.

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i had some old 70gr ukraine manufactured wolf 5.45x39mm that was extremely hot, out of my slr it was getting mid 2800's, kinda wish they would bring in more of it as some 5.45 commercial is underloaded

>.17 moon orbital

Checked

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Why the fuck are you shooting nuclear loads out of a J frame to begin with? Is that your fetish?

Should be marked "Ruger and Thompson only".

What's so hard to believe? They are about the same case cap. You have to use fast burning powders and larger calibers to get to that barrel length.

Thought it would be pointier

So it’s a 38/45 Clerke but instead 45 super brass?
Where tf would you even get a barrel or brass? I mean I’m interested but this is such an obscure caliber.

Literally stated they were boat tail in the post you clearly didn't read before you responded to

>600 grain slug at 4700 fps
>mfw

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Checked ‘n’ wrecked
Imagine popping one off in a little 5lb NEF single shot.....

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>D.U.D.S
kek

You can buy depleted uranium on Amazon, why not just make some?

Has anyone here ever conceal carry with these nuclear loads? The idea of conceal carrying .460 Rowland seems impractical to me.

Johnny Rowland supposedly cc’s a 460 1911 with ~980 FPE 185gr JHP’s

I don't know fuck all about reloading so the concept of a pistol round that shoots at intermediate cartridge speeds fucks with my peabrain a bit.

For use on law enforcement

bought a few boxes of the underwood for my super blackhawk, recoil is not that bad at all. Im going to be carrying this stuff regularly.

both companies list specific models which are OK to shoot, i believe the raging bull is one of them

Thanks for assuming that i own a gun

Good way to look at it, fren

isn't that the shutgun from hell that fires a necked up 50 bmg case loaded with a .75 caliber?

Force is proportional to surface area and pressure. F=ma, so lower mass = higher acceleration for the same amount of powder. These loads are being shot out of T/Cs or Rugers that can handle the ++P++ pressures they are loaded to. The real trick is getting those velocities from a short barrel. Remember force is proportional to surface area, so bigger caliber helps, and finding just the right powder for your barrel length. You have to play with the burn rate. Too fast and you'll exceed pressure rating, or the burn will trail off early and you wont get the max force possible while the bullets is still in the barrel (this is the issue with black powder). Too slow and you'll get a big fireball and no velocity (see 5.56 out of sub 12" barrels).

>Should be marked "Ruger and Thompson only".
Maybe it should be, but it isn't. And I suspect it would be fine in steel frames.

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Tony Rumore is the guy behind Tromix Firearms and one of the pioneers of big bore AR's, he might actually be able to convince a company to load that fireaball.

Where can I buy this and will it blow up a USP?

lbs-ft is not fps

That is impressive.

Imagine all the lead fouling you get inside the magazine and action.

Almost. What you described (dimensions of .38/.45 Clerke with thicker-headed brass) is .38/.45 Hardhead.

But .40 Super not only has thicker brass like .45 Super, it's also about an 1/8" longer than .45 ACP. So keeping the neck length similar and moving the shoulder forward the same 1/8" gives you a significant increase in powder space.

.38 Casull is similarly longer than .38/.45 Clerke, but not quite as long as .40 Super or 9mm Super; AIUI it was designed to make OAL with full 9mm-ogive bullets. Whereas 9x25 and 9mm Super are restricted to .357 SIG-compatible short-ogive bullets, although these days that includes most anything but round-nose FMJs.

I'm not sure of the exact dimensions of .38/.45 or .38 Casull, so I'm not certain they'd be interchangeable with proper 9mm Super (shoulder angle etc.), but I'm pretty sure you could duplicate the practical results by simply running a .38/.45 or .38 Casull reamer in deeper, and using the corresponding dies for loading.
Or if you want the exact reamer Tony Rumore is using, he said in another post that he got it from JGS, and posted this drawing. But I dunno what he's doing for dies.

9mm Super is Tony Rumore's pet wildcat that nobody produces.
9x25 Dillon is already loaded by at least two companies, Underwood and Doubletap, though they seem to be loading to (or at least in the vicinity of) published specs, which are wimpy. I suppose he could talk them into offering a "+P" load matching his specs.

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SPLAT

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You’re an idiot for missing that, but was curious, turns out your idea would yield 30,560 ft lbs. so survivable by the shooter, maybe, but not his skeleton

2800 fps for a 70gr 5.45 is stupid hot. That's getting close to if not exceeding 7n22 pressures.

I've been eyeing a Thompson Center Katahdin for the purpose of testing these loads in a 20". I'm hoping to push 4000 ft/lbs of energy

>Where tf would you even get a barrel or brass?
Just realized I forgot to explicitly answer that -- once you've got the reamer and dies figured out, the rest is basically self-explanatory.

Barrel -- buy a 9mm-bore (e.g. 9x25 or .38/.45) conversion barrel for your gun from wherever, and ream the chamber out.
Might be easiest to accomplish in a pistol like a CZ clone where barrel-to-slide fit is independent of caliber, rather than a Glock, as 9mm-bore barrels for .45-breech guns can be hard to find. (I know Lone Wolf used to offer 9x25 barrels for G21, but I don't see it on their site now.) This is why Tony Rumore is using a Witness for his 9mm Super work.
Brass -- buy .40 Super brass, and run it into whatever dies you're using.

45 super is the same length as 45 acp. Not even 460 Rowland is that much longer, it’s only 1/16 of an inch longer to keep it from clambering in 45 acp guns.

Had good luck w compressed charges of #9 over a 180gr 10mm. Almost 1400fps